Juan Martin Aranguren defeated Agustin Tarantino 6-2 6-0 in the Argentina F12 final on clay. Juan Martin Aranguren extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-15 | Brazil F18 | R32 | clay | Juan Martin Aranguren | 6-2 6-2 |
| 2005-09-26 | Bolivia F1 | F | clay | Agustin Tarantino | 6-4 6-4 |
| 2005-08-29 | Argentina F9 | F | clay | Juan Martin Aranguren | 7-6(4) 1-6 6-1 |
| 2004-09-13 | Ecuador F3 | R16 | hard | Agustin Tarantino | 7-6(5) 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.